型號(hào) | 公稱壓力PN(MPa) | 試驗(yàn)壓力PS(MPa) | 工作溫度(℃) | 適用介質(zhì) | |
殼體 | 密封 | ||||
H71W-16T | 1.6 | 2.4 | 1.76 | ≤200 | 水、蒸體、油品等 |
H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235 | |
H71W-25H | ≤300 | ||||
H71W-25P | ≤200 | 硝酸等腐蝕性介質(zhì) | |||
H71W-40H | 4.0 | 6.0 | 4.4 | ≤300 | 水、蒸體、油品等 |
H71W-40P | ≤200 | 硝酸等腐蝕性介質(zhì) |
規(guī)格型號(hào) | 閥體 | 閥瓣 | 彈簧 |
RH71W-25H、RH71W-40H | 2Cr13 | 1Cr13 | 1Cr18 Ni9Ti |
RH71W-16P、RH71W-25P | ZG1Cr18 Ni9Ti | 1Cr18 Ni9Ti | 1Cr18 Ni9Ti |
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